Key4C OTP

10+
Downloads
Content rating
PEGI 3
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About this app

Key information not exposed
When transmitting a QR code, most key information is exposed and there is a risk of theft, but when using the Key4C OTP APP
Key information is not exposed during OTP key generation as well as knee distribution, enhancing safety and security.

Efficient OTP management
Old OTP accounts are periodically replaced or deleted to renew the OTP security retention period.
We provide it so that it can be safely used as a valid OTP without being left unattended.


Enhanced authentication security
We maintain high security by using a secure password that is periodically updated.
Two-step authentication is also provided by entering the OTP along with the password required for existing login.

Secure key generation
OTP key required for OTP account based on HSM (Hardware Security Module)
By creating, storing, and managing securely, you can improve the security and safety of your system.


***** main function *****
- Easy OTP account registration by scanning QR code (no login required)
- To enhance security, each OTP provides a validity counter whose number is periodically updated.
- Each OTP has an expiration date, so it is always kept up to date through periodic key renewal.
- Only the QR code of the OTP key generated through the Key4C service can be registered. (Other OTP QR codes cannot be used)
Updated on
Sep 15, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

보안 관련 코드 업데이트

App support

About the developer
(주)케이스마텍
ksmartech.com@gmail.com
대한민국 서울특별시 금천구 금천구 가산디지털1로 168, A동 1207호 (가산동,우림라이온스밸리) 08507
+82 10-4642-6934